Home / 155,145.20-232,685.13-70,881.44

Finding the Fourth Proportional to 155,145.20, 232,685.13 and 70,881.44

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Solution

The fourth proportional to 155,145.20, 232,685.13 and 70,881.44 is: 106,307.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145.20 : 232,685.13 = 70,881.44 : x
  2. Step 2: Convert to fraction form
    155,145.20/232,685.13 = 70,881.44/x
  3. Step 3: Cross multiply
    155,145.20x = 232,685.13 × 70,881.44
  4. Step 4: Simplify right side
    155,145.20x = 16,493,057,080.99
  5. Step 5: Solve for x
    x = 16,493,057,080.99/155,145.20
  6. Step 6: Final answer
    x = 106,307.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.